Pokemon Odyssey
Pokemon Odyssey is a hack for the Game Boy Advance.
About this hack
Pokemon Odyssey is a hack for the Game Boy Advance. In short, it raises the challenge and changes the music or sound. The full list of changes, the credits and the instructions are on the creators' page.
Playing it
The patch is applied to your own copy of the original game, following the creators' instructions. The game itself is not included and is never linked here.